	* {
				margin: 0;
				padding: 0;
			}

			.top {
				border: black 1px solid;
				height: 200px;
			}

			.content {
				width: 80%;
				margin: 0 auto;padding-top: 40px;
			}

			.cont-top {
				display: flex;
				justify-content: space-between;
			}

			.top-r {
				width: 48%;
				padding: 40px 20px;
			}

			.top-r li {
				list-style: none;
				float: left;
				width: 11%;
				text-align: center;
				line-height: 40px;
				margin-top: 10px;
			}

			.a {
				margin-top: 130px;
				padding-bottom: 40px;
				border-bottom: #c9c9c9 1px solid;
			}

			.title {
				font-size: 25px;
				padding: 20px 0;
			}

			.right-p {
				color: #666666;
				line-height: 25px;
			}

			.math {
				padding: 30px 0;
				font-size: 18px
			}

			.white {
				padding: 20px 0;
				border-bottom: #c9c9c9 1px solid;
				border-top: #c9c9c9 1px solid;
				margin-bottom: 20px;
			}

			.top-r button {
				background-color: #1a1b1d;
				padding: 10px 50px;
				color: white;
				margin-top: 30px;
				margin-right: 20px;
			}

			.top-b {
				margin: 50px 0;
			}

			.ash {
				height: 60px;
				background-color: #f5f5f5;
				position: relative;
			}
			.ash img{height: 83.5px;}

			.ash p {
				position: absolute;
				bottom: 20px;
				left: 130px;
				font-size: 18px;
				color: white;
			}

			.cont-center {
				margin: 50px 0;
				color: #666666;
				line-height: 25px;
			}

			.center-four {
				display: flex;
				justify-content: space-around;
				width: 60%;
				margin: 30px 0;
			}

			table {
				border-collapse: collapse;
				margin: 40px 0;
				text-align: center;

			}

			td,
			th {
				border: 1px solid #ccc;
				padding: 10px 0;
				width: 3%;
				font-size: 18px;
				font-weight: bold;
			}

			th {
				background-color: #f5f5f5;
			}
			a{text-decoration: none;color: black;}




			.bottom {
				border: black 1px solid;
				height: 200px;
			}